27-08-2018 дата публикации
Номер: KR101891769B1
The present invention relates to a device for machining a tap of a piercing ball, which can automatically process a female screw hole to screw a piercing shaft to a piercing ball that is one of piercing accessories to adorn a human body. According to the present invention, provided is a device for automatically machining a tap of a piercing ball, which primarily and automatically processes a tapping hole in a piercing ball that is one of components of piercing accessories to adorn a human body, and secondarily and automatically processes a female screw to screw a piercing shaft to an internal diameter portion of the tapping hole to significantly improve workability and productivity compared to conventional and manual work, and further, automatically process a desired pattern such as a decoration pattern, a trademark, a character, or the like on an outer circumferential surface of a tapping hole of a piercing ball for marketability of a piercing product to be improved. COPYRIGHT KIPO 2018 ...
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